BERTHOLD GMBH & CO. KG
Patent Owner
Stats
- 23 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Apr 03, 2007 most recent publication
Details
- 23 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 406 Total Citation Count
- Sep 24, 1982 Earliest Filing
- 34 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5866431 Electrothermal atomization means for analytical spectrometryExpiredJan 31, 97Feb 02, 99[G01N]
5194914 Furnace for the electrothermal atomization of samples in atomic absorption spectroscopyExpiredFeb 06, 90Mar 16, 93[G01N]
5118187 Furnace for the electro-thermal atomization of samples for spectroscopical purposesExpiredJul 20, 90Jun 02, 92[G01J, G01N]
5098658 Device for analyzing samples for mercury and/or hydride-forming elementsExpiredMay 21, 90Mar 24, 92[C01G]
5080485 Method for determining the concentration by means of atomic absorption spectroscopyExpiredFeb 16, 90Jan 14, 92[G01J, G01N]
5071624 System for introducing a sample substance into a spectroscopical analytical instrumentExpiredMay 31, 90Dec 10, 91[G01N]
5066123 Device for electrothermal atomizing of samples for spectroscopic purposesExpiredFeb 16, 90Nov 19, 91[G01N]
5045196 Apparatus for pre-concentration of a sample for spectroscopical reasonsExpiredNov 30, 89Sep 03, 91[B01D]
5028800 Two-beam photometer using specific beam chopper arrangementExpiredJul 19, 90Jul 02, 91[G01N]
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